Aptitude and Reasoning Questions

Q:

The average marks of 18 students in an examination was 60. It was later found that the marks of one student had been wrongly entered as 63 instead of 36. The correct average is:

A) 59 B) 59.5
C) 58 D) 58.5
 
Answer & Explanation Answer: D) 58.5

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

If a wholesaler, sells a tin of coffee at Rs 528 he faces a loss of 12%. Now if he decides to sell it at Rs 636, what will be the profit (in %)?

A) 7 B) 5
C) 6 D) 4
 
Answer & Explanation Answer: C) 6

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

A box contains 5 green, 4 yellow and 3 white marbles. Threemarbles are drawn at random. What is the probability thatthey are not of the same colour ?

A) 40/44 B) 44/41
C) 41/44 D) 40/39
 
Answer & Explanation Answer: C) 41/44

Explanation:

n(E) = 5C3 + 4C3 + 3C3 = 10 + 4 + 1 = 15n(S) = 12C3 = 220

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Filed Under: Permutations and Combinations
Exam Prep: Bank Exams

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Q:

If P denotes +, Q denotes -, R denotes '÷', and S denotes X, then: 18S36R12Q6P7 = ?

A) 115 B) 65
C) 55 D) 25
 
Answer & Explanation Answer: C) 55

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

In a certain code language, "DELETE" is written as "#@^@%@" and "GRAM" is written as "!?*&". How is"TELEGRAM" written in that code language?

A) %@^@^?*& B) %@^@!?^&
C) %@*@!?*& D) %@^@!?*&
 
Answer & Explanation Answer: D) %@^@!?*&

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

A does 60% of a work in 15 days. He then calls B, and they together finish the remaining work in 5 days. How long B alone would take to do the whole work?

A) 25 days B) 20 days
C) 80 days D) 24 days
 
Answer & Explanation Answer: A) 25 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

A ladder is resting against a vertical wall and its bottom is 2.5 m away from the wall. If it slips 0.8 m down the wall, then its bottom will move away from the wall by 1.4 m. What is the length of the ladder?

A) 6.2 m B) 6.5 m
C) 6.8 m D)  7.5 m
 
Answer & Explanation Answer: B) 6.5 m

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Filed Under: Height and Distance
Exam Prep: Bank Exams

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Q:

If 3P/5 = 7Q/2 = 7R/5, then what is the ratio of p, Q and R respectively?

A) 3 : 2 : 5 B) 3 : 35 : 14
C) 5 : 7 : 5 D) 35 : 6 : 15
 
Answer & Explanation Answer: D) 35 : 6 : 15

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Filed Under: Simplification
Exam Prep: Bank Exams

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